CVE-2022-49766

netlink: Bounds-check struct nlmsgerr creation

Description

In the Linux kernel, the following vulnerability has been resolved: netlink: Bounds-check struct nlmsgerr creation In preparation for FORTIFY_SOURCE doing bounds-check on memcpy(), switch from __nlmsg_put to nlmsg_put(), and explain the bounds check for dealing with the memcpy() across a composite flexible array struct. Avoids this future run-time warning: memcpy: detected field-spanning write (size 32) of single field "&errmsg->msg" at net/netlink/af_netlink.c:2447 (size 16)

N/A

CVSS

Severity:

EPSS 0.02%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/aff4eb16f589c3af322a2582044bca365381fcd6
https://git.kernel.org/stable/c/710d21fdff9a98d621cd4e64167f3ef8af4e2fd1

Frequently Asked Questions

What is the severity of CVE-2022-49766?: CVE-2022-49766 has not yet been assigned a CVSS score.
How to fix CVE-2022-49766?: To fix CVE-2022-49766, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-49766 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-49766 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-49766?: CVE-2022-49766 affects Linux Linux, Linux Linux.

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